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29 Cards in this Set
- Front
- Back
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associative property of multiplication
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(a x b) x c = a x (b x c)
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When the minuend (top) is missing, we ______ to find it.
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add
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A sequence is an ordered list of numbers that follow a _____________.
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pattern
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associative property of addition
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(a + b) + c = a + (b + c)
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minuend - subtrahend =
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difference
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commutative property of multiplication
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4 x 5 = 20 5 x 4 = 20
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Inverse operations __________ each other
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"undo"
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letters that can stand for any number
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variables
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fact family for 2, 3, and 5
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2 + 3 = 5
3 + 2 = 5 5 - 3 = 2 5 - 2 = 3 |
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identity property of addition
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a + 0 = a
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When the divisor is missing, we _________ to find it.
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divide
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Find the next three terms of this sequence.
1, 2, 4, 8, ___, ___, ___. |
16, 32, 64
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When the dividend is missing, we __________ to find it.
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multiply
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To "undo" multiplication, __________.
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divide
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When the subtrahend is missing, we __________ to find it.
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subtract
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To "undo" addition, _________.
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subtract
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identity property of multiplication
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a x 1 = a
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whole numbers
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{0, 1, 2, 3, 4, . . .}
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ellipsis
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. . .
means the list is infinite (goes on without end) |
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When a factor is missing, we _________ to find it.
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divide
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Dividend divided by divisor =
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quotient
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counting numbers
or natural numbers |
{1, 2, 3, 4, . . .}
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When an addend is missing, we __________ to find it.
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subtract
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property of zero for multiplication
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a x 0 = 0
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factor x factor =
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product
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addend + addend =
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sum
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commutative property of addition
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2 + 3 = 5 3 + 2 = 5
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Money can be written either with a cent sign or a dollar sign and a decimal point but never _______.
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both
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Zero is called the __________
____________ because when zero is added to another number, the sum is identical to that number. |
additive identity
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